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Periodontics · single question

Which of the following is NOT an indicator of periodontal disease?

  1. Presence of calculus (calculus indicates plaque but is not itself an indicator of active disease severity)
  2. Gingival inflammation (BOP)
  3. Clinical attachment loss (CAL)
  4. Probing depth
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Correct answer: A. Presence of calculus (calculus indicates plaque but is not itself an indicator of active disease severity)

  • A. Correct. CALCULUS is a RISK FACTOR and a clinical finding associated with periodontitis, but it is NOT a direct INDICATOR of the severity of periodontal disease. The true indicators (disease markers) are: CAL (attachment loss), probing depth, bone loss on radiographs, and presence of bleeding on probing.
  • B. Gingival inflammation (bleeding on probing) indicates active gingivitis/periodontitis.
  • C. Clinical attachment loss is a direct indicator of the extent and severity of periodontitis.
  • D. Probing depth indicates active pocket/disease severity.

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